30788880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{128287}}^1$

素因数の和:128303

約数の個数: 40

約数和(自身を含む): 95446272

約数和(自身を除く): 64657392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 128287, 256574, 384861, 513148, 641435, 769722, 1026296, 1282870, 1539444, 1924305, 2052592, 2565740, 3078888, 3848610, 5131480, 6157776, 7697220, 10262960, 15394440, 30788880]

約数ペア:

[(1, 30788880), (2, 15394440), (3, 10262960), (4, 7697220), (5, 6157776), (6, 5131480), (8, 3848610), (10, 3078888), (12, 2565740), (15, 2052592), (16, 1924305), (20, 1539444), (24, 1282870), (30, 1026296), (40, 769722), (48, 641435), (60, 513148), (80, 384861), (120, 256574), (240, 128287)]